Audible low-liquid-level alarm



W. GRAH.

AUDLBLE LOW LIQUID LEVEL ALARM. APPLICATION HLED 0e14, 1920.

1,371,365. Patented Mar. 15, 1921.

INVEN'TELH ing to be a full, clear, and exact description- Be it knownthat LWILLIAM .citizen of the-United States, and a resfdent GB, 0!WATEBVILLF, OHIO.

1,371,365. Original a licant: ma lay a, 1920,

To all whom it may concern."

GRAB, a

of Waterville, in the county of Lucas and State of Ohio, have made anInvention Appertaining to Audible Low-Li uid-Level Alarms; and I dohereby declare t e followof the invention, such as will enable othersskilled in the art to which it appertains to make and use the same,reference being had to the accompanying drawings and to the 'chsh'actersof reference marked thereon,

which form a part of this specification.

This invention relatesgto audible alarms for use particularlyinconnection with the liqiqid containing tanks of automobiles to in cate apredetermined low liquid level I therein. j The, object of the inventionis the rovision of an improved simple and e clent signal or alarmmeansof the class described,

whichis operable by movements of the as.- sociated vehicle to. sound anaudible alarm when the li uid in the container is at a predetermined owlevel therein. 1

- The" invention is fully describedin the "following specification, andwhile, in its broader aspect, it is capable of embodiment in numerousforms, a preferred embodiment thereofds illustratedin vertical sec tionin the accompanying drawing, with the liquid ata low level pomt in thetank and the signal means operative. v

This application is filed as a division of my former application, SerialNol 379,232,

' filed May 6,1920.

Referring to the drawings, 1 designates a liquid tank or container, forinstance the gasolene tank. of an automobile, having an opening 2 in itstop through which the tank may be filled, which opening is closed by aremovable cap 3.

Fixedly carried by the cap at its outer side is a bell, gon or otherresonant member 4, which, in t e present instance, is in invertedposition. A rod 5 extends from above the bellr4 down through thesame'centrally thereof and through the cap 3 into the containei' 1 andcarries a fioat 6 at its lower end. The rod 5 is mounted for freevertical movements through its bearing in the cap 3, to permit ittoKmove vertically withthe float 3 when rising or falling wit the changeof lfevel of theliquid in the tank. The rod 1s pre erably made insections with- Specification of Letters Patent.

,AUDIBLE LOW-LIQUID-LEVEL ALARM. I

Patented Mar. '15, 1921.

Serial No. 879,232. mvlded and this application filed Bctober 4, 1920.Serial No. 414,632.

in the tank, the sectiohs being connected by a turn-buckle 7 tofacilitate an adjustment of the length of the rod to'suit the level ofthe liquid at which it is desired to sound the alarm, as hereinaftermore fully described. The rod 5 is. preferably provided at its upper endwith a bowed portion 8, and from the upper free end of this bowedportion is 'swingingly suspended a striker 9 so that when the striker'sdisposed at a predetermined point with n the bell 4- and is swungsufiicientl to have contact withthe bell an alarm wi 1 be sounded.A-tube 10 projects down from the cap 3 loosely around the rod 5 toprevent liquid when splashing within the tank from escaping through therod re-' I ceiving opening in the cap.

It is evident in the use of this invention. thatthe striker 9 is movedintoand out of operative striking relation to the gong bell 4 by therising and falling of the float within the tank, which is efiected by. achanging" of the level of the liquid therein.

When the liquid has lowered a predetermined extent the strikerwill thenbe permitted in its swinging movements, which ished. If it is desiredto-change the liquid level at which the alarm is sounded, this maybeaccomplished by adjusting the turnbuckle 7 to change the length of thefloat are actuated by jolting movements of the k 1 wish it understoodthat my invention is not limited to any specific construction,arrangement or form of the parts, as it is capable of numerousmodifications and" changes without departih gsfrom the spirit of theclaims.

Having thus described my invention, what I claim as new, and desire tosecure byLetters Patent, is,

1. In a vehicle, a liquid containing tank,

a resonant member mounted without the tank, a striker associated withthe resonant member and operable by movements of the vehicle to strikethe mber and sound an alarm when the striker is in a predeterminedposition, and means carrying the striker and operable by a change of theliq- -uid level wlthin the tank to move. the

striker into and out of operative striking relation to the resonantmember.

2. In a vehicle, a liquid containingtank, a resonant member carried by,the'tank, a float supported by liquid inthe tank, a rodrisin' from thefloat for vertical movements relat1ve to the tankadja'cent to theresonant member, and a striker member carried by the rod having freeswinging movements relative thereto, and movable into and out ing saidopemng,-- a resonant member earried by the cap at its outerside, a rod'projecting through the cap for longitudlnal movements relative thereto,a float attached to th'e lower end of the rod for riding on liquidcontained in"the 'tank, and a striker ca'rriedby the rod without the capand movable into and out of striking relationto the resonant member bypredetermined vertical movements of the rod- 4.111 a veh'cle',' a liquidcontaining ant;

having an opening inits top, a removable cap closing sa d opening, aresonant member 'rigld'ly mounted on the. cap

[by and projecting froni the'float through the cap for vertlcalmovements with the fl0at, the rod being adjustable to vary its length,and a striker swinginglyvs uspended from,.the outer end of the rod forstriking eng ement with the resonant member'when the l quid is at orbelow a predetermined level'in the tank. In testimony whereof I havehereunto slgned my name to this specification.

.GRAH,

l at its outer side, a float wlthin the tank,'a; rod carried

